Super Analysis: authoritative source tells our military F-20 the most realistic level
Date:2012-08-23Author:adminCategory:Military hotComment:0
F-22 is a fourth-generation supersonic fighter pioneer work, its overall design is frozen Chinese J-20 The aerodynamic layout still theoretical exploration stage, technology accumulation in the dominant power in the world, after all, unusual. But the technical defects of the first to eat crab F-22 is very obvious. Here refers not to the avionics, software, cockpit cover, maintenance, maintenance and other technical problems, as new models such as small problems is normal. The F-22′s the Achilles heel of the voyage is too short.
the collapse of the Soviet Union, Russia’s four generations of machines stop-and-go toss a 20-year such results are extremely disappointing’s. Let us not speculate how advanced T-50 flight power, how much can the engine thrust, only from the basic aerodynamic layout and level of stealth shaping is completely impossible with the F-22 and J-20 par. Movable edge of the program when the F-16 design process proposed before, is nothing new, its aerodynamic effects far can not be compared with the J-20 all-moving canard.
J-10 mass production a few years, the performance is much more powerful J-20 on the day. Fighter technology advancing faster than shocking, but very uncoordinated overall design of the J-20 engine tailpipe again highlights the lag in engine technology.
F-22 is a fourth-generation supersonic fighter technology flagship technology demonstrator flight test just thorough grasp of the MiG-21 technology, technically not yet the amount equivalent to the F-4 J-8II production, Su-27, the former Soviet Union before bulk equipment a few years, and avionics performance has not reached the design specifications. Intent of the design of the F-22, the Su-27, like the F-15 MiG-23 as the overwhelming tactical advantage, and use its stealth capability and ultra-patrol ability to penetrate the forefront of the air defense system of the Soviet bloc in the Soviet campaign depth hunted each other high-performance air fighter, to pave the way for NATO combat aircraft.
due to the U.S. Air Force in the 1980s, the Soviet MiG -29 and Su-27 in service after rush as soon as possible to rebuild both fighter technology generation gap, ATF project selection, design of conventional F-22, in order to reduce the technical difficulties that may be encountered in the development process. After all, the F-22 is a combination of a stealth design with high-flying performance models, engines, avionics and other subsystems are also efforts to promote a product of the cutting edge of technology, if the overall design, bold avant-garde program, Technology risk is too large, the development cycle will inevitably prolong costs are bound increased significantly.
U.S. Air Force ATF proposed requirements is to use the empty weight of no more than carry conformal fuel tanks of the F-15C, the amount of fuel to carry will have the equivalent level with conformal fuel tanks of the F-15C/P>
This is a very high requirement, we can say some unrealistic. With the F-15C of considerable air combat weapons accommodate in the fuselage of the F-22 must be set to a considerable volume of weapons bay, fuel capacity is quite carry conformal fuel tanks of F-15C, the total volume is clearly more than the F- 15C. Under conditions of greatly increased fighting total weight compared to the F-15C, F-22 to achieve a higher mobility than the F-15C, in addition to the engine thrust must be greatly increased, the wing area must also significantly increase to to maintain a lower wing loading. High Mobility pull supersonic aircraft to withstand tremendous aerodynamic load, so relative to the F-15C, F-22 structure must be strengthened.
body these technical defects can not deny the achievements of the Lockheed engineers and technicians. Finalized the basic design of the 1980s to the 1990s can not do changes, otherwise the budget and development cycle, will be completely out of control. Dimensions and volume has been basically frozen, either increase the weight of the aircraft, to sacrifice fuel capacity to guarantee the performance of, or sacrifice performance to control weight and maintain fuel reserves. The main combat mission area is assumed by the U.S. Air Force in the 1990s in Europe and the Persian Gulf region, intratheater quantity sufficient distance from the potential mission area near the airport can provide support for the U.S. Air Force Expeditionary Force. Third-country equipment, liquid fuel ballistic missile accuracy is extremely poor, in addition to frighten civilians is not much use, potential adversaries lack the ability to threaten U.S. military airport.
mainstream SAM range is limited, it is difficult to fight against the U.S. Air Force in the theater aerial refueling aircraft hovering nearby. F-22 can be forward deployed, can also take off from the airport away from the theater, go to the theater to perform tasks, accepted in the theater near mid-air refueling. Imaginary enemy to the lack of long-range precision strikes, the strike force must be close to the theater of deployment, F-22 can only penetrate a distance of hundreds of kilometers, will be able to reach the target area, a limited voyage is not a serious performance deficiencies. The former Soviet Union/Russia and the European high-performance fighter global diffusion, completely overwhelm other models fighter requirements on the performance of the F-22 is all the more urgent. U.S. Air Force and Lockheed F-22 production performance trade-offs made in the context of the 1990s era is logical.
But in the 21st century, the world of military aviation technology arena from the trans-Atlantic transfer to the trans-Pacific, the center of U.S. military operations from East Europe moved to the area is huge, and the relative lack of infrastructure in Asia, Airport The increasing popularity of often very distant and intertheater distance, relatively inexpensive, long-range precision strikes and ultra long-to-air weapons, too close to the theater of the airport and the air tanker safety is no longer guaranteed, the 1990s, when the U.S. Air Force accustomed the combat environment no longer exists, the F-22 bad voyage became a very serious weakness. To correct the performance deficiencies need to undergo a major revamp of the basic design of the F-22, and increased its size to accommodate more fuel. But even to reduce the requirements of the flight performance, make it similar conceived a few years ago, FB-22, as such a big change cost will be very high. If the voyage indicators to greatly enhance flight performance without the improved technical difficulty, obviously can not be approved in a tight budget situation. Its enormous scrambled F-22 plate twice-cooked pork, it is better to start all over again, developed the overall performance is better than the fourth/Five Dynasties supersonic fighter in the sixth generation of tactical aircraft.
lessons of the F-22 in the former Russian T-50 can be exposed for the F-22 problem catching up, come from behind in the overall performance. But after 20 years of the disintegration of the gradual disintegration of the former Soviet Union military system is no longer difficult to conceal. Russia’s military aviation industry fighter R & D and production teams all lean, 20 years and not really developed a new aircraft models, technical heritage has broken the chain no longer have the strength and courage to challenge the cutting edge of technology. Engage after India cheated on a pirate ship, is basically the Su-27 stealth version.
T-50 stealth shape design is extremely fails, the radar reflection intensity no more than hanging stealth pod Super Hornet low Where the frame cockpit cover and without making any invisible processing infrared sensor turret obviously does not meet the needs of radar stealth engine intake the stealth measures not only less than the F-22 and J-20, not even as Europe typhoon before the engine fan style Super Hornet radar barrier operator bin. Technology should be adopted the stealth radar barrier effective as curved inlet, also affect the power of the engine, belonging to fight patch measures suitable for retrofit conventional fighter, not specifically designed stealth fighter program. The Super Hornet radar barrier is because the basic design could not be altered, the T-50
aerodynamic layout still clinging on the generation fighter emphasis on the design concept of the high-subsonic maneuverability and hold reproduces the basic program of the Su-27
high Asia sonic continued circling the performance may be better than the F-22 and J-20. However, this performance does not make sense, BVR air combat needs of powerful sustained supersonic circled performance, while fighting air combat fighter is mainly dependent on the instantaneous ability to change the nose pointing to the aerodynamic design of the T-50 is precisely the lack of these two aspects and F 22 and J-20 competition in capital. T-50 superior high subsonic maneuverability flight demonstrations may look good, it is difficult to translate into a tactical advantage in combat. Wet surface area of ??the T-50 supersonic wave drag, rely entirely on engine power hard pushed to achieve ultra-patrol, difficult for ultra patrol speed and endurance to catch up with the F-22. And now the so-called AL-41 engine is actually ate the stimulants AL-31, power is up to the Russian media boasted of indicators is extremely unlikely, the T-50 is difficult to pose a challenge to the F-22 in ultra patrol performance.
according to Russian media reports, the T-50 use the empty weight than the F-22 is 6% lower fuel reserves of more than 1/4 higher. If this is the case, the T-50 subsonic combat radius of the F-35 is expected to reach the level to be much higher than the F-22. T-50 short straight Inlet to save a lot of structural weight, can be used to the reserve fuel the space to be larger than the F-22 fuselage, and T-50 radar stealth performance dabbler, apparently without considering the infrared stealth , there is no cooling system of the wing leading edge to occupy space and increase the weight of the trouble, and lighter than the weight of the F-22, oil carrier is more likely. T-50 subsonic combat radius than the F-22 can be achieved, I am afraid this is the T-50 can justly claim that better than the F-22 performance indicators.
avionics Russian blowing fiercely, and said nothing to the machine the wing leading edge of the L-band AESA radar installed to improve the anti-stealth capability, in fact, the L-band radar can be accommodated within the fighter of limited size and weight limits design in place of the real stealth target detection range is not necessarily better than the X-band AESA fire control radar and advanced infrared sensor, Russia with the L-band radar in fighter aircraft, do not know the means of marketing, or the performance of the X-band AESA fire control radar and infrared sensors do not have confidence in it? Russia’s latest generation avionics core components all rely on manufacturers in Europe, and the European AESA fire control radars, onboard computers, mission software and other aspects of comprehensive behind the United States. Russia and then eat the leftovers in Europe, the advanced performance of the T-50 avionics secure?
J-20 basic aerodynamic concept is finalized only after the F-22 the amount of production design has been frozen, nearly 20 years later than the F-22 aerodynamic program, but also because so take full advantage of the technological advances since the 1980s, to break through the limitations of the F-22. The F-22 is very compact structure, the internal space is exceptionally tight, the ratio of length/cross-sectional area is not enough to cause a relatively large supersonic wave drag, and not repeat the mistakes as the technology to catch up with those J-20. The
the J-20
volume larger than the F-22, does not mean that the J-20 use an empty weight of a certain higher. Tactical aircraft, volume and weight are not always directly proportional to the contrary, if the structure is too compact, the internal space allocation difficulties, but may be caused by the complexity of the structure and increase in weight.
a bulky heavy fighters in the history of the density is usually Compact light fighter on this problem, Lockheed successive strictly limited volume of two types of fighter jets and no control the weight of the original intention, on the contrary, the weight of the growth in the process of development of the F-22 and F-35 are very serious. F-35 weight gain magnitude lower than the F-22, but the weight control are achieved at the expense of sacrificing performance indicators.
space than the more well-off F-22 J-20 interior design more flexible, is perfectly placed to accommodate more fuel and ammunition under the premise of using the empty weight of down, fuel coefficient ATF The expected level of about 0.4 is not impossible. J-20 adjustable DSI inlet can provide the best air intake of the engine within a wide range of speeds, and to improve engine efficiency, and improve fuel economy. Higher cruise efficiency with plenty of fuel reserves combined means that the J-20 will have a combat radius is much higher than the F-22 and T-50 and super cruise away.
J-20/P>
the technically mature and can compete with the F-22 in air combat, but the most effective technical performance of the J-20 tactics is not a direct challenge to the F-22, but the voyage advantage of the J-20 F-22 short-legged hunting in the vast western Pacific airspace rely heavily on their own viability and is very limited air refueling, as well as the offensive combat F-22 block in the ground. From China’s near the airport unsafe, safer airport is too far away from the theater, most of the tactics of the war with China, the U.S. military aircraft from the Navy aircraft carrier, the U.S. aircraft carrier will also J-20 key targets for attack.
high-performance fighter aircraft on the carrier air wing of the J-20
lack of effective means of defense, the existence of the J-20, together with the submarine and anti-ship ballistic missile threat, forcing the U.S. aircraft carrier away from the Chinese coast, operational effectiveness is greatly reduced. And the carrier-based tactical aircraft also rely heavily on the support of aerial refueling aircraft, J-20 U.S. military air refueling formation pressure while suppressing the operations of the United States Navy and Air Force tactical air forces. Basically the same principle as the F-22 J-20 stealth design, shape control than the F-35 and T-50 can do.
based on historical experience, after the wars of the United States will experience a period of time in defense spending crunch. If this time is no exception, and so the United States back to life the J-20 has been put into mass production, and the counter-measures against the United States to take appropriate countermeasures. If the United States in order to counter the J-20, despite severe budget problems thrust of a new generation of bombers and tactical aircraft programs, will only further worsen their already bad financial situation, is detrimental to the long-term health of the U.S. economy. So American militarism in the past 10 years, year after year in overseas combat intensive military spending has failed to update the equipment of the armed forces, has created a golden opportunity to catch up on the key technologies and equipment to China. U.S. troops to fight with the guerrillas too long, irregular warfare skills but has slipped. The ancient saying that militant will be dangerous, a little right, the U.S. military so-called wealth of practical experience is not to be envied.
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